btrfs_reserve_extent
ret = btrfs_reserve_extent(root, len, len, fs_info->sectorsize,
ret = btrfs_reserve_extent(root, blocksize, blocksize, blocksize,
int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
ret = btrfs_reserve_extent(root, disk_num_bytes, disk_num_bytes,
ret = btrfs_reserve_extent(root, async_extent->ram_size,
ret = btrfs_reserve_extent(root, num_bytes, num_bytes, min_alloc_size,
ret = btrfs_reserve_extent(root, cur_bytes, cur_bytes,
ret = btrfs_reserve_extent(fs_info->fs_root, length, length, min_size,
ret = btrfs_reserve_extent(fs_info->fs_root, remap_length, remap_length,
DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,